function reqAjax(url, params, callBack){
	jQuery.ajax({
		type: "get",
		dataType: "json",  
		url: url+"?curtime="+new Date().getTime(),  
		data: params,  
		success: callBack
	});
}
function refreshPage(){
	var d=""+document.location.href,
	b=d.indexOf("refresh"),e=d.indexOf("#"),c="";
	if(e>0){c=d.substring(e);d=d.substring(0,e)}
	if(b>0){
		d=d.substring(0,b-1);
	}else{
		b=d.indexOf("?");
		if(b>0){d=d+"&refresh"}
		else{d=d+"?refresh"}
	}
	d+=c;
	document.location.href=d;
}